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#include <QtCore/QString>
#include <QtGui/QProgressDialog>
#include <QDebug>

#include "backgroundtaskwatcher.h"
#include "backgroundtask.h"

BackgroundTaskWatcher::BackgroundTaskWatcher(BackgroundTask *task, const QString& labelText, QObject *parent)
    : QObject(parent),
    _task(task)
{    
    // TODO reparent
    this->labelText = labelText;
}

void BackgroundTaskWatcher::exec()
{
   QProgressDialog dialog;
   dialog.setLabelText(labelText);

   QObject::connect(_task, SIGNAL(finished()), &dialog, SLOT(reset()));
   QObject::connect(&dialog, SIGNAL(canceled()), _task, SLOT(cancel()));
   QObject::connect(_task, SIGNAL(progressRangeChanged(int,int)), &dialog, SLOT(setRange(int,int)));
   QObject::connect(_task, SIGNAL(progressValueChanged(int)), &dialog, SLOT(setValue(int)));
   // TODO QObject::connect(_task, SIGNAL(progressValueChanged(int)), this, SIGNAL(progressValueChanged(int)));

   _task->start();
   dialog.exec();
   _task->wait();
   qDebug() << "Canceled?" << _task->isCanceled();
};
